Home / 1,576,040.16-2,175,041.28-878,429.52

Finding the Fourth Proportional to 1,576,040.16, 2,175,041.28 and 878,429.52

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Solution

The fourth proportional to 1,576,040.16, 2,175,041.28 and 878,429.52 is: 1,212,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,040.16 : 2,175,041.28 = 878,429.52 : x
  2. Step 2: Convert to fraction form
    1,576,040.16/2,175,041.28 = 878,429.52/x
  3. Step 3: Cross multiply
    1,576,040.16x = 2,175,041.28 × 878,429.52
  4. Step 4: Simplify right side
    1,576,040.16x = 1,910,620,467,570.59
  5. Step 5: Solve for x
    x = 1,910,620,467,570.59/1,576,040.16
  6. Step 6: Final answer
    x = 1,212,291.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.